Question

(3/25-4/25):(1-2/5)•(10-9/16)=

Answer 1

$\displaystyle ( \frac{3}{25}- \frac{4}{25}):(1- \frac{2}{5})*(10- \frac{9}{16})= -\frac{1}{25}: \frac{3}{5}* \frac{151}{16}= \\ \\ \\ =- \frac{1}{25}* \frac{5}{3}* \frac{151}{16}=- \frac{1}{15}* \frac{151}{16}=- \frac{151}{240};$